diff --git a/ereuse_devicehub/resources/device/sync.py b/ereuse_devicehub/resources/device/sync.py
index 90403871..613f0b39 100644
--- a/ereuse_devicehub/resources/device/sync.py
+++ b/ereuse_devicehub/resources/device/sync.py
@@ -310,7 +310,25 @@ class Sync:
     def create_placeholder(device: Device):
         """If the device is new, we need create automaticaly a new placeholder"""
         if device.binding:
+            for c in device.components:
+                if c.phid():
+                    continue
+                c_dict = copy.copy(c.__dict__)
+                c_dict.pop('_sa_instance_state')
+                c_dict.pop('id', None)
+                c_dict.pop('devicehub_id', None)
+                c_dict.pop('actions_multiple', None)
+                c_dict.pop('actions_one', None)
+                c_placeholder = c.__class__(**c_dict)
+                c_placeholder.parent = c.parent.binding.device
+                c.parent = device
+                component_placeholder = Placeholder(
+                    device=c_placeholder, binding=c, is_abstract=True
+                )
+                db.session.add(c_placeholder)
+                db.session.add(component_placeholder)
             return
+
         dict_device = copy.copy(device.__dict__)
         dict_device.pop('_sa_instance_state')
         dict_device.pop('id', None)
diff --git a/tests/test_snapshot.py b/tests/test_snapshot.py
index 2231ed08..7f98e398 100644
--- a/tests/test_snapshot.py
+++ b/tests/test_snapshot.py
@@ -1390,6 +1390,7 @@ def test_bug_4028_components(user: UserClient):
     s = yaml2json('real-eee-1001pxd.snapshot.12')
     snap1, _ = user.post(s, res=Snapshot)
     dev1 = m.Device.query.filter_by(id=snap1['device']['id']).one()
+    assert m.Placeholder.query.count() * 2 == m.Device.query.count()
     components1 = [c for c in dev1.components]
     for c in s['components']:
         if c['type'] == 'HardDrive':
@@ -1400,7 +1401,14 @@ def test_bug_4028_components(user: UserClient):
     dev2 = m.Device.query.filter_by(id=snap2['device']['id']).one()
     components2 = [c for c in dev2.components]
 
-    # import pdb; pdb.set_trace()
-
     assert '' not in [c.phid() for c in components1]
     assert '' not in [c.phid() for c in components2]
+    assert len(components1) == len(components2)
+    assert m.Placeholder.query.count() == 16
+    assert m.Placeholder.query.count() * 2 == m.Device.query.count()
+    for c in m.Placeholder.query.filter():
+        assert c.binding
+        assert c.device
+
+    for c in m.Device.query.filter():
+        assert c.binding or c.placeholder